All breeding sites they use are between 60°S and 55°N latitude.

There may be a small breeding colony of Stellers using near shore rocks in RNSP. Male otariids weigh from 200 to 1000 kg and can fast for 12 weeks, although a fast of 4–6 weeks is more common. A harbor seal has a rounded head with a fairly blunt snout. The male stellar sea lion can grow to the size of a compact car weighing over 2000 pounds and measuring over 10 feet long. Seals are divided into two families: the Phocidae, the earless or "true" seals (e.g., harbor or common seals), and the Otariidae, the eared seals (e.g., fur seals and sea lions). But in the wild, the California sea lion is a sleek animal, faster than any other sea lion or seal. Walruses are more closely related to eared seals, and they live in the Arctic. Increased size not only gives males an advantage in fights related to obtaining mates, it also allows them to fast longer and thus remain among estrous females longer than males of smaller size. A harbor seal lacks external ear flaps. This group contains eared seals, phocids, and walruses. An eared seal or otariid or otary is any member of the marine mammal family Otariidae, one of three groupings of pinnipeds.They comprise 15 extant species in seven genera (another species became extinct in the 1950s) and are commonly known either as sea lions or fur seals, distinct from true seals (phocids) and the walrus (odobenids). Fur Seals Have Ears. Earless seals, also called true or hair seals, include five species in Antarctica – Weddell, Crabeater, Elephant, Leopard, and Ross seals.

Download : Download full-size image Seals range in size from the 1 m (3 ft 3 in) and 45 kg (99 lb) Baikal seal to the 5 m (16 ft) and 3,200 kg (7,100 lb) southern elephant seal, which is also the largest member of the order Carnivora.Several species exhibit sexual dimorphism.They have streamlined bodies and four limbs that are modified into flippers.Though not as fast in the water as dolphins, seals are more flexible and agile. Seals lack an external ear flap whereas sea lions have an external ear flap that is visible. The other resident eared seal is the Steller, or Northern, sea lion (Eumetopias jubata), a federally threatened species. Walruses generally range in size from 7.5 to 11.5 feet, and may weigh as much as 1.5 tons. Its ear openings close when it … Sea lions are known as eared or walking seals; A male sea lion is called a bull, a female is called a cow, and a baby is called a pup; A group of sea lions is called a colony on land, and a raft when in the water. Compared to Other Seals. Otariids comprise 16 species. All breeding sites they use are between 60°S and 55°N latitude. These eared seals top out at speeds of some 25 miles an hour. When on land, a seal moves by bouncing in a caterpillar like motion. Pinnipeds are fin-footed marine mammals. Leopard seals are earless seals. In addition, sea lions have a loud bark and walk on their large rear flippers versus seals more wriggle on their belly and have smaller rear flippers. The Otariidae, or “eared seals,” evolved around the rim of the North Pacific Ocean 11–12 million years ago and subsequently spread into the Southern Hemisphere. They differ from cetaceans, dolphins and whales, in that they are able to live out of the ocean and that they do not have blowholes. An eared seal or otariid or otary is any member of the marine mammal family Otariidae, one of three groupings of pinnipeds.They comprise 15 extant species in seven genera (another species became extinct in the 1950s) and are commonly known either as sea lions or fur seals, distinct from true seals (phocids) and the walrus (odobenids).

Unlike a sea lion, a seal cannot rotate its hind flippers underneath the pelvic girdle. Roger L. Gentry, in Encyclopedia of Marine Mammals (Second Edition), 2009. Shellfish are a far less dramatic prey but still an important part of the leopard seal's diet.

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